111602043 has 40 divisors (see below), whose sum is σ = 191954400. Its totient is φ = 63296640.

The previous prime is 111602011. The next prime is 111602081. The reversal of 111602043 is 340206111.

It is a happy number.

It is not a de Polignac number, because 111602043 - 2⁵ = 111602011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111602083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83823 + ... + 85143.

It is an arithmetic number, because the mean of its divisors is an integer number (4798860).

Almost surely, 2^111602043 is an apocalyptic number.

111602043 is a deficient number, since it is larger than the sum of its proper divisors (80352357).

111602043 is a wasteful number, since it uses less digits than its factorization.

111602043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111602043 is about 10564.1868120552. The cubic root of 111602043 is about 481.4568628196.

Adding to 111602043 its reverse (340206111), we get a palindrome (451808154).

It can be divided in two parts, 11160 and 2043, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 111602043 in words is "one hundred eleven million, six hundred two thousand, forty-three".